49424400 has 90 divisors (see below), whose sum is σ = 171528890. Its totient is φ = 13178880.

The previous prime is 49424363. The next prime is 49424443. The reversal of 49424400 is 442494.

It can be written as a sum of positive squares in 3 ways, for example, as 1648656 + 47775744 = 1284^2 + 6912^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3265 + ... + 10464.

Almost surely, 2^49424400 is an apocalyptic number.

49424400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49424400 is an abundant number, since it is smaller than the sum of its proper divisors (122104490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49424400 is a wasteful number, since it uses less digits than its factorization.

49424400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13753 (or 13739 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 49424400 is about 7030.2489287364. The cubic root of 49424400 is about 366.9840044307.

Adding to 49424400 its reverse (442494), we get a palindrome (49866894).

The spelling of 49424400 in words is "forty-nine million, four hundred twenty-four thousand, four hundred".